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Method for preparing all-solid waste high-strength glass ceramics from major material coke residue

A glass-ceramic, high-strength technology, which is applied in the field of preparing solid waste high-strength glass-ceramics, can solve the problems of low comprehensive utilization rate of sodium hypophosphite waste residue, environmental pollution, etc. Low, glossy effect

Inactive Publication Date: 2014-12-24
刘立强
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The object of the present invention is to provide a method for preparing all-solid waste high-strength glass ceramics with coke slag as the main material, aiming to solve the problem of insufficient comprehensive utilization of coke slag, magnesium slag, white mud, titanium slag and sodium hypophosphite waste slag. High and lead to environmental pollution problems, while reducing the consumption of natural resources

Method used

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  • Method for preparing all-solid waste high-strength glass ceramics from major material coke residue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] (1) Put 50% coke slag, 20% magnesium slag, 10% white mud, 10% titanium slag and 10% sodium hypophosphite waste slag into the mixer, mix for 0.1h, pass through 50 mesh sieve, mix well;

[0029] (2) Put the raw materials mixed in step (1) into a crucible, place in a high-temperature furnace and melt for 3 hours at a temperature of 1350° C. to form a uniform melt;

[0030] (3) Cast the melt of step (2) into a stainless steel mold with a certain shape and size at a constant temperature of 250°C. After cooling in the mold for 1 minute, adjust the temperature to 400°C and keep it for 1.5 hours, then cool with the furnace to obtain the foundation Glass;

[0031](4) Place the basic glass formed in step (3) in a heat treatment furnace, heat it at 700° C. for 4 hours to carry out crystallization heat treatment, and obtain a glass-ceramic blank after cooling;

[0032] (5) The glass-ceramic blank obtained in step (4) is subjected to rough cutting, fine cutting, rough grinding, fi...

Embodiment 2

[0034] (1) Put 60% coke slag, 20% magnesium slag, 5% white mud, 10% titanium slag and 5% sodium hypophosphite waste slag into the mixer, mix for 0.2h, pass through 60 mesh sieve, mix well;

[0035] (2) Put the raw materials mixed in step (1) into a crucible, place in a high-temperature furnace and melt at a temperature of 1360°C for 4.2 hours to form a uniform melt;

[0036] (3) Cast the melt of step (2) into a stainless steel mold with a certain shape and size at a constant temperature of 250°C. After cooling in the mold for 2 minutes, adjust the temperature to 410°C and keep it for 1.6 hours, then cool with the furnace to obtain the foundation Glass;

[0037] (4) Place the basic glass formed in step (3) in a heat treatment furnace, heat it at 710° C. for 4.1 hours to carry out crystallization heat treatment, and obtain a glass ceramic blank after cooling;

[0038] (5) Rough cutting, fine cutting, rough grinding, fine grinding, fine grinding and polishing of the glass-ceram...

Embodiment 3

[0040] (1) Put 70% coke slag, 10% magnesium slag, 10% white mud, 5% titanium slag and 5% sodium hypophosphite waste slag into the mixer, mix for 0.3h, pass through 70 mesh sieve, mix well;

[0041] (2) Put the raw materials mixed in step (1) into a crucible, place in a high-temperature furnace and melt at a temperature of 1370° C. for 4.4 hours to form a uniform melt;

[0042] (3) Cast the melt of step (2) into a stainless steel mold with a certain shape and size at a constant temperature of 250°C. After cooling in the mold for 3 minutes, adjust the temperature to 420°C and keep it for 1.7 hours, then cool with the furnace to obtain the foundation Glass;

[0043] (4) Place the basic glass formed in step (3) in a heat treatment furnace, heat it at 730° C. for 4.3 hours to conduct crystallization heat treatment, and obtain a glass-ceramic blank after cooling;

[0044] (5) Rough cutting, fine cutting, rough grinding, fine grinding, fine grinding and polishing of the glass-ceram...

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Abstract

The invention provides a method for preparing all-solid waste high-strength glass ceramics from a major material coke residue. The method is used for preparing the high-strength glass ceramics from such raw materials as 50-95% of coke residue, 0-45% of magnesium slag, 0-15% of white mud, 2-10% of titanium slag and 3-10% of sodium hypophosphite waste residue by use of high-temperature melting, molding by casting and primary crystallization. The method is simple in preparation process; besides, the utilization rate of solid waste is 100%, and the problem of pollution of such solid waste as coke residue, magnesium slag, white mud, titanium slag and sodium hypophosphite waste residue on the environment is solved. The prepared glass ceramics have the rupture strength of more than 300MPa, are wear-resistant, good in corrosion resistance, soft in color and luster, good in texture and high in value added and can be applied to the production of a building decoration material, an industrial wear-resistant and anticorrosive material and artware; as a result, the glass ceramics have wide market prospect.

Description

technical field [0001] The invention belongs to the technical field of new materials and environmental protection, and in particular relates to a method for preparing all-solid-waste high-strength glass ceramics with coke slag as the main material. Background technique [0002] With the development of China's economy, it is increasingly dependent on oil, known as "industrial blood". According to statistics, my country's consumption of refined oil will reach 2.6×10 by 2020 8 tons / year. Crude oil needs to be refined to become refined oil. Most of the crude oil is heavy oil, which needs to be decomposed into light oil through sulfur catalytic cracking (FCC) technology, and the most important thing in catalytic cracking technology is catalytic cracking catalyst. Due to the increased demand for refined oil, the accelerated production of catalytic cracking catalysts has been stimulated, which has also greatly increased the amount of solid waste emitted during the production of pe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C10/00C03C6/10
Inventor 刘立强李航张圣斌邢瑞平杨凡倪允浩
Owner 刘立强
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